It is very important to select an excellent anti-virus software under the existing technical conditions. A virus is a special computer used to spread other systems.ProgramIt can cause different damages to the computer system, including deleting system files, eavesdropping on user operations, and detecting sensitive information (such as bank accounts.
In fact, viruses are a type of malware. Other types of malware include spyware (Computer Control of users) and advertising software (advertising pop-up window) and Trojans (execute illegal and malicious behaviors, such as searching for sensitive data ).
Without a doubt, common users should try to defend against viruses and other types of malware. Below are several free anti-virus software recommended by the Information Website:
(1) Microsoft Security Essentials
Mse is a free anti-virus software that can defend against viruses, spyware, and other malware. Mse is also a lightweight anti-virus software, which rarely interrupts users unless it detects virus threats or security updates.
Of course, if you want to use MSE, remember to use the official Windows system.
Download link:
Http://www.microsoft.com/security_essentials/
(2) Avast
Avast is a well-known computer security software that can defend against viruses, spyware and other security threats. Last month, Vince Steckler, CEO of avast, said avast had already exceeded 0.13 billion of software users.
We can see the popularity of avast. In terms of product operation, avast adopts the so-called "Free value-added" (freemium) model, that is, users can use avast's common anti-virus software for free, we recommend that you upgrade your subscription to the advanced edition with more features.
Download link:
Http://www.avast.com/free-antivirus-download
(3) AVG
Like avast, the free version of AVG is a popular security software for Windows users. It can provide users with security protection functions such as anti-virus and anti-spyware ..
At the beginning of this year, AVG technologies, a Dutch computer security software vendor, announced today that the number of users of AVG Anti-virus software products has exceeded 0.11 billion (it is not clear that the number of paid users ).
At the end of September 2010, AVG technologies officially released the free version of AVG Anti-Virus Software 2011. The free version of AVG 2011 provides the linkradar function to monitor and protect malicious links. AVG 2011 also supports the resident shield feature to ensure that software continuously protects computers.
Download link:
Http://free.avg.com/us-en/download-free-trial
(4) free version of red umbrella
Little red umbrella may not be famous for its AVG, but the free version of little red umbrella has excellent performance. Red umbrella can protect almost all types of malware, such as viruses, spyware and advertising software. Red umbrella can even defend against Complex attacks such as rootkit.
In March this year, the free version of Avira 10 was officially released. The most striking new feature of Avira 10 is the Proactiv behavior detection module. Proactiv can identify potential security threats by monitoring application behavior and collecting other Avira user information.
Download link:
Http://www.avira.com/en/free-download-avira-antivir-personal
(5) BitDefender free version
The free version of BitDefender can only defend against viruses, but the paid version of BitDefender can defend against all types of malware. Therefore, the performance of the free version can more or less reflect the performance of the paid version.
Download link:
Http://www.bitdefender.com/site/Downloads/
(6) comodo
Comodo is also a well-known security software developer, but its popularity is mostly from commercial users. In any case, the free version of comodo is worth a try.
On June 18, middle September, comodo security software officially released the latest comodo antivirus 2011 "100% free" anti-virus security solution. Comodo antivirus 2011 has been significantly improved in terms of Virus Defense and cleaning.
Download link:
Http://www.comodo.com/home/internet-security/antivirus.php